Muscle cars are a distinctly American invention, yet defining them can be trickier than you’d expect. Most people think of massively overpowered sedans and coupes running from the mid-1960s to about 1970 when asked for a definitive answer. But over the years, there have been plenty of more modern Ford Mustangs, Chevy Camaros, and Dodge Challengers that could fit the bill, too.
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